Results 51 to 60 of about 13,304 (197)

Ajuste do modelo de Hargreaves para duas regiões vitícolas do sul do Brasil. [PDF]

open access: yes, 2019
O presente trabalho teve por objetivo ajustar os coeficientes do modelo de Hargreaves, para estimativa da evapotranspiração de referência (ETo), em duas regiões vitícolas do sul do Brasil.
CONCEIÇÃO, M. A. F.
core  

Performance of methods for estimation of table beet water requirement in Alagoas

open access: yesRevista Brasileira de Engenharia Agrícola e Ambiental
Optimization of water use in agriculture is fundamental, particularly in regions where water scarcity is intense, requiring the adoption of technologies that promote increased irrigation efficiency.
Daniella P. dos Santos   +4 more
doaj   +1 more source

Effect of actual vapor pressure on estimating evapotranspiration at Serbia [PDF]

open access: yesFacta Universitatis. Series: Architecture and Civil Engineering, 2009
Actual vapor pressure (VP) is an important parameter that is used in many evapotranspiration equations. However, vapor pressure is difficult to measure accurately.
Trajković Slaviša, Živković Svetlana
doaj   +1 more source

Water deficit and water surplus maps for Brazil, based on FAO Penman-Monteith potential evapotranspiration

open access: yesRevista Ambiente & Água, 2008
The climatological water balance (CWB) proposed by Thornthwaite and Mather (1957) is a useful tool for agricultural planning. This method requires the soil water holding capacity (SWHC), rainfall (R) and potential evapotranspiration (PET) data as input.
Ronalton Evandro Machado   +2 more
openaire   +4 more sources

Métodos de estimativa da evapotranspiração de referência no município Floriano- Piauí. [PDF]

open access: yes, 2014
A evapotranspiração pode ser definida como um processo combinado de transferência de água do solo e das plantas para a atmosfera, incluindo o processo de transpiração por meio dos tecidos vegetais, sendo o método de Penman-Monteith o recomendado pela ...
ALMEIDA, K. N. S. de   +4 more
core  

Evapotranspiración de referencia estimada con Fao-Penman-Monteith, Priestley-Taylor, Hargreaves y RNA

open access: yesRevista Mexicana de Ciencias Agrícolas, 2018
Las necesidades de agua de riego de los cultivos se basan en la estimación de la evapotranspiración de referencia (ETo) de cada zona en particular, están sujetas a la limitación de información meteorológica existente. El objetivo fue calcular ETo con FAO-Penman-Monteith (FAO-P-M), Hargreaves (H), Priestly-Taylor (P-T) y redes
Sandra Santiago-Rodríguez   +4 more
openaire   +2 more sources

Evaluation of Penman-Piche method to estimate reference evapotranspiration in Uberaba, MG [PDF]

open access: yes, 2011
Objetivou-se, no presente trabalho, realizar a comparação do método de determinação da evapotranspiração de referência, Penman-Monteith com o método de Penman-Piché, que utiliza medidas de evaporação pelo evaporímetro de piche.
FERNANDES, André L. T.   +2 more
core   +3 more sources

Desempenho de métodos de estimativa da evapotranspiração de referência nas localidades de Frederico Westphalen e Palmeira das Missões, RS Perfomance of methods for estimating reference evapotranspiration in the municipalities of Frederico Westphalen and Palmeira das Missões, State of Rio Grande do Sul, Brazil

open access: yesCiência Rural, 2012
A estimativa da evapotranspiração de referência (ETo), usada no balanço hídrico, possibilita quantificar o armazenamento de água no solo, auxiliando no manejo da irrigação.
Felipe Gustavo Pilau   +3 more
doaj   +1 more source

Estimation of Reference Evapotranspiration using the FAO Penman-Monteith Method for Climatic Conditions of Poland

open access: yes, 2011
Evapotranspiration is the combination of soil evaporation and crop transpiration. Weather parameters, crop characteristics, management and environmental factors affect evapotranspiration. Reference, potential and actual evapotranspiration are distinguished. These terms are commonly used, although some differences of their definitions can be found among
Leszek abedzki   +3 more
openaire   +2 more sources

The Estimation Evaporation Pan Coefficient For Calculating Reference Evapotranspiration in Ahvaz [PDF]

open access: yesعلوم و مهندسی آبیاری, 2017
Estimation the exact amount of water that is used for evapotranspiration, is the major factor in planning for achieving higher production and its most important parameter of management of water in plants.
Sanaz Shokri   +2 more
doaj   +1 more source

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